Home / 89,069,486.40-122,913,809.28-52,402,417.92

Finding the Fourth Proportional to 89,069,486.40, 122,913,809.28 and 52,402,417.92

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Solution

The fourth proportional to 89,069,486.40, 122,913,809.28 and 52,402,417.92 is: 72,314,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,069,486.40 : 122,913,809.28 = 52,402,417.92 : x
  2. Step 2: Convert to fraction form
    89,069,486.40/122,913,809.28 = 52,402,417.92/x
  3. Step 3: Cross multiply
    89,069,486.40x = 122,913,809.28 × 52,402,417.92
  4. Step 4: Simplify right side
    89,069,486.40x = 6,440,980,802,029,735
  5. Step 5: Solve for x
    x = 6,440,980,802,029,735/89,069,486.40
  6. Step 6: Final answer
    x = 72,314,111.85

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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.