Home / 56,636,985,278.68-78,159,047,337.34-31,262,461,398.97

Finding the Fourth Proportional to 56,636,985,278.68, 78,159,047,337.34 and 31,262,461,398.97

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Solution

The fourth proportional to 56,636,985,278.68, 78,159,047,337.34 and 31,262,461,398.97 is: 43,142,200,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,636,985,278.68 : 78,159,047,337.34 = 31,262,461,398.97 : x
  2. Step 2: Convert to fraction form
    56,636,985,278.68/78,159,047,337.34 = 31,262,461,398.97/x
  3. Step 3: Cross multiply
    56,636,985,278.68x = 78,159,047,337.34 × 31,262,461,398.97
  4. Step 4: Simplify right side
    56,636,985,278.68x = 2,443,444,200,363,735,908,352
  5. Step 5: Solve for x
    x = 2,443,444,200,363,735,908,352/56,636,985,278.68
  6. Step 6: Final answer
    x = 43,142,200,954.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.