Home / 152,956,686.48-211,077,569.70-83,342,639.40

Finding the Fourth Proportional to 152,956,686.48, 211,077,569.70 and 83,342,639.40

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Solution

The fourth proportional to 152,956,686.48, 211,077,569.70 and 83,342,639.40 is: 115,011,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,956,686.48 : 211,077,569.70 = 83,342,639.40 : x
  2. Step 2: Convert to fraction form
    152,956,686.48/211,077,569.70 = 83,342,639.40/x
  3. Step 3: Cross multiply
    152,956,686.48x = 211,077,569.70 × 83,342,639.40
  4. Step 4: Simplify right side
    152,956,686.48x = 17,591,761,776,935,466
  5. Step 5: Solve for x
    x = 17,591,761,776,935,466/152,956,686.48
  6. Step 6: Final answer
    x = 115,011,394.28

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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.