Home / 77,182,158.96-106,514,374.68-42,376,316.40

Finding the Fourth Proportional to 77,182,158.96, 106,514,374.68 and 42,376,316.40

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Solution

The fourth proportional to 77,182,158.96, 106,514,374.68 and 42,376,316.40 is: 58,480,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,182,158.96 : 106,514,374.68 = 42,376,316.40 : x
  2. Step 2: Convert to fraction form
    77,182,158.96/106,514,374.68 = 42,376,316.40/x
  3. Step 3: Cross multiply
    77,182,158.96x = 106,514,374.68 × 42,376,316.40
  4. Step 4: Simplify right side
    77,182,158.96x = 4,513,686,842,587,829
  5. Step 5: Solve for x
    x = 4,513,686,842,587,829/77,182,158.96
  6. Step 6: Final answer
    x = 58,480,961.19

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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.